Erlangen 2022 – wissenschaftliches Programm

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A: Fachverband Atomphysik

A 13: Precision Measurements and Metrology I (joint session Q/A)

A 13.15: Poster

Dienstag, 15. März 2022, 16:30–18:30, P

Universal atom interferometer simulator — •Gabriel Müller, Christian Struckmann, Stefan Seckmeyer, Florian Fitzek, and Naceur Gaaloul — Institut für Quantenoptik, Leibniz Universität Hannover, Welfengarten 1, 30167 Hannover

The simulation of matter-wave light-pulse interaction is crucial for designing and understanding atom interferometry (AI) experiments. However, the usual approach of solving the associated system of ordinary differential equations is limited by a quadratic scaling with the number of coupling states. Here, the universal atom interferometer simulator (UATIS) [1] overcomes this limitation with log-linear scaling while solving the problem of atom-light diffraction in the elastic case for all regimes. By interpreting a light-pulse beam as an external potential, UATIS achieves high numerical accuracy while maintaining great flexibility. We propose intuitive methods for assembling various atom-light interactions into AI sequences. We expect UATIS to lead to a straightforward modelling of experiments and to be promoted to a widely used tool.

[1] Fitzek et al. Universal atom interferometer simulation of elastic scattering processes. Sci Rep 10, 22120 (2020).